Jack Hamilton

Director/Board Member at HAZER GROUP LIMITED

Net worth: 487 514 $ as of 30/07/2026

69 year

69 connections

Utilities

Energy Minerals

Process Industries

Profile

John Andrew Hamilton is currently an Independent Non-Executive Director at Australian Gas Infrastructure Holdings Pty Ltd. since 2013, at Duet Co. Pty Ltd. since 2013, and at Hazer Group Ltd. since 2021.
Former roles include Non-Executive Chairman at Antilles Oil & Gas NL from 2014 to 2016, Chairman at Janus Electric Holdings Ltd. from 2016 to 2017, Independent Non-Executive Chairman at AnteoTech Ltd. from 2018 to 2022, Non-Executive Director at Iondrive Ltd. from 2023 to 2026, Independent Non-Executive Director at DUET Group from 2014 to 2017, Managing Director at Metasource Pty Ltd., Independent Non-Executive Director at Southern Cross Electrical Engineering Ltd. from 2011 to 2015, Chief Executive Director at Exergen Pty Ltd. in 2012, Director-NWS Ventures at Woodside Energy Ltd., Independent Non-Executive Director at Calix Ltd. from 2012 to 2023, Director at Federation Training, and Director at KSJV Australia Pty Ltd. Education includes undergraduate and doctorate degrees from the University of Melbourne, conferred in 1978 and 1981 respectively.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
CALIX LTD. 0.57%	19/08/2025	1,223,639 ( 0.57% )	305 090 $	30/07/2026
HAZER GROUP LTD. 0.31%	21/12/2025	824,555 ( 0.31% )	182 425 $	30/07/2026

Jack Hamilton active positions

Companies	Position	Start
HAZER GROUP LIMITED	Director/Board Member	31/10/2021
Australian Gas Infrastructure Holdings Pty Ltd. Australian Gas Infrastructure Holdings Pty Ltd. Gas DistributorsUtilities Provides gas distribution and transmission services	Director/Board Member	01/08/2013
Duet Co. Pty Ltd. Duet Co. Pty Ltd. Alternative Power GenerationUtilities Engages in energy sector	Director/Board Member	01/08/2013

All active positions of Jack Hamilton

Former positions of Jack Hamilton

Companies	Position	End
IONDRIVE LIMITED	Director/Board Member	30/01/2026
CALIX LIMITED	Director/Board Member	07/03/2023
ANTEOTECH LIMITED	Chairman	29/04/2022
JANUS ELECTRIC HOLDINGS LIMITED	Chief Executive Officer	08/09/2017
DUET GROUP	Director/Board Member	30/04/2017

See the detail of Jack Hamilton's experience

Training of Jack Hamilton

Experiences
Positions held

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Inactive

Listed companies

Private companies

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Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

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Linked companies

Private companies	16
Iondrive Ltd. Iondrive Ltd. Precious MetalsNon-Energy Minerals Engages in the exploration of gold, copper, nickel and other economic mineral deposits	Non-Energy Minerals
Australian Gas Infrastructure Holdings Pty Ltd. Australian Gas Infrastructure Holdings Pty Ltd. Gas DistributorsUtilities Provides gas distribution and transmission services	Utilities
Antilles Oil & Gas NL Antilles Oil & Gas NL Oil & Gas ProductionEnergy Minerals Explores and acquires petroleum and gas properties	Energy Minerals
University of Melbourne University of Melbourne Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
ReNu Energy Ltd. ReNu Energy Ltd. Alternative Power GenerationUtilities Develops and generates renewable geothermal energy	Utilities
DUET Group DUET Group Investment ManagersFinance Acts as Private Equity Fund	Finance
AnteoTech Ltd. AnteoTech Ltd. Medical SpecialtiesHealth Technology Develops, manufactures and commercializes proprietary surface coatings for health care & life sciences	Health Technology
Metasource Pty Ltd.
Southern Cross Electrical Engineering Ltd. Southern Cross Electrical Engineering Ltd. Engineering & ConstructionIndustrial Services Provides electrical and instrumentation installation services	Industrial Services
Exergen Pty Ltd. Exergen Pty Ltd. Industrial SpecialtiesProcess Industries Engages in the development and commercialization of clean coal technology	Process Industries
Woodside Energy Ltd. Woodside Energy Ltd. Oil & Gas ProductionEnergy Minerals Provides oil and gas exploration & production services	Energy Minerals
Duet Co. Pty Ltd. Duet Co. Pty Ltd. Alternative Power GenerationUtilities Engages in energy sector	Utilities
KSJV Australia Pty Ltd.
Calix Ltd. Calix Ltd. Industrial MachineryProducer Manufacturing Engages in development of co2 capture technology, batteries, bio-active materials and waste water treatment solutions	Producer Manufacturing
Federation Training Federation Training Miscellaneous Commercial ServicesCommercial Services Provides vocational environmental education training for students	Commercial Services
Hazer Group Ltd. Hazer Group Ltd. Chemicals: SpecialtyProcess Industries Engages in the commercialization of graphite and hydrogen production technology	Process Industries